Tephrocactus glomeratus var. gracilior (Salm-Dyck) Backeb. in Cactus (Paris) 38: 249. 1953
Tephrocactus glomeratus var. gracilior in Cactus (Paris) 38: 249. 1953
is new combination for Opuntia platyacantha var. gracilior, Cact. Hort. Dyck., ed. 1849: 245. 1850